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Instruction Manual
Form 1432
December 2007
667 Size 80 and 100 Actuators
Type 667 Diaphragm Actuators
Size 80 and 100
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Maximum Pressure Limitations . . . . . . . . . . . . . 3
Installation . . . . .
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Table 1. Specifications ACTUATOR SIZE SPECIFICATION SPECIFICATION 80 100 2 cm 1761 2902 Nominal Effective Diaphragm Area Nominal Effective Diaphragm Area 2 inch 273 450 mm 127 127 178 Yoke Yoke Boss Diameters Boss Diameters (1) inch 5 5H 7 mm 25.4 or 31.8 31.8 50.8 Acceptable Acceptable Valve Stem Diameters Valve Stem Diameters inch 1 or 1-1/4 1-1/4 2 N 62,942 200,170 Maximum Maximum Allowable Output Thrust Allowable Output
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators diaphragm plate contacts the travel stop, damage to the stem or other parts might result. Maximum Excess Diaphragm Pressure: DIAPHRAGM Additional pressure may be added when the actuator SPRING is at full travel. If the Maximum Excess Diaphragm AIR PUSHES LIFTS DOWN Pressure is exceeded, damage to the diaphragm or diaphragm casing might result. Because the actuator has traveled its specified ACTUATOR travel, and the diaphr
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators When an actuator and valve are shipped together, figures 6 and 7). Insert and tighten the stem the actuator is normally mounted on the valve. connector cap screws. Follow the valve instructions when installing the 7. Thread the stem locknuts against the stem control valve in the pipeline. If the actuator is connector. shipped separately or if it is necessary to mount the actuator on the valve, perform the following Actuato
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Monitor loading pressure carefully when making Adjustments adjustments. Do not exceed the pressure specifications of either the loading regulator or the Travel actuator casings. Make travel adjustments when the motion observed Each actuator spring has a fixed pressure span. during actuator travel is different from the travel Changing the spring compression shifts the span up stamped on the actuator nameplate. If the Actuato
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators For high spring forces, it is necessary to use spacers between the bottom of the yoke and the spring seat to isolate spring force from the adjusting nut. WARNING SPRING SEAT To avoid personal injury from the compressed actuator spring snapping B back to its original length, make and use the spacers by following the instructions in the steps below. 1. It is recommended that three spacers be made of ADJUSTING NUT three-inch
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Disconnect any operating lines 4. Remove the cover band (key 87). Insert a steel providing air pressure, electric power, rod of approximately 12.7 mm (1/2-inch) diameter or a control signal to the actuator. Be into a hole in the spring adjustor (key 74), and rotate sure the actuator cannot suddenly the spring adjustor from right to left until spring open or close the valve. compression is relieved. Use bypass valves or
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators 10. For actuators with a snubber (see figure 8): bushing (key 249), and yoke bushing holder (key 250). 16. Refer to the size 80 actuator assembly WARNING procedures. Carefully clean and inspect all parts, and obtain any replacement parts required for reassembly. To avoid personal injury due to the sudden, uncontrolled movement of parts, ensure the actuator spring is not Assembly under compression before removing See figu
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators VENT ASSEMBLY (KEY 17) CAP SCREW (KEY 12) UPPER DIAPHRAGM PLATE (KEY 4) SPACER (KEY 2) CAP SCREW (KEY 13) UPPER DIAPHRAGM CASE (KEY 1) HEX NUT (KEY 14) DIAPHRAGM (KEY 3) LOWER DIAPHRAGM LOWER DIAPHRAGM CASE (KEY 64) PLATE (KEY 71) PIPE BUSHING (KEY 92) CAP SCREW (KEY 30) SNAP RING (KEY 72) GASKET (KEY 70) O-RING (KEY 9) TRAVEL STOP (KEY 84) O-RING (KEY 8) SEAL BUSHING (KEY 7)
50A8597-D SPACER
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators diaphragm. Do not exceed 68 Nm (50 Disconnect any operating lines lbfft) torque. providing air pressure, electric power, or a control signal to the actuator. Be 11. Insert the cap screws (key 13) into the sure the actuator cannot suddenly diaphragm casing, and tighten the hex nuts (key 14) open or close the valve. in the following manner. The first four hex nuts Use bypass valves or completely tightened should be d
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators These instructions outline the extension, and actuator stem connector procedure required to decrease high (keys 28, 36, and 42). spring compression. 4. Remove the washer, upper diaphragm plate, diaphragm, diaphragm retainer, and backup plate Loosen the jam nut (key 26), and rotate the adjusting (keys 37, 4, 3, 5 and 6). nut (key 25) until spring compression is relieved. 5. Unscrew the six cap screws (key 11), and remove
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators DIAPHRAGM CASING CAP SCREW (KEY 12) COVER (KEY 15) UPPER DIAPHRAGM HEX NUT (KEY 24) PLATE (KEY 4) HEX NUT (KEY 241) UPPER DIAPHRAGM CASING (KEY 1) WASHER (KEY 37) DIAPHRAGM (KEY 3) CAP SCREW (KEY 13) O-RING (KEY 240) BACK UP PLATE (KEY 6) SEAL BUSHING RETAINER (KEY 10) HEX NUT (KEY 14) DIAPHRAGM RETAINER (KEY 5) LOWER DIAPHRAGM O-RING (KEY 9) CASING ASSEMBLY (KEY 67) SEAL BUSHING (KEY 7) O-RING (KEY 8) HEX BUSHING (KEY 62)
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators spring interferes with installation of Note the lower diaphragm casing, reposition When you replace actuator the spring by rotating the adjusting diaphragms in the field, take care to nut (key 25). ensure the diaphragm casing cap 4. Install the lower diaphragm casing, and secure it screws are tightened to the proper by tightening the four hex nuts. load to prevent leakage, but not crush the material. Perform the following
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators remove the lower diaphragm casing. Replace the For Actuators With the Top-Loaded yoke assembly O-rings (key 70) as necessary. Option 10. The actuator spring (key 18) and stem (key 144) Disassembly can now be removed if necessary. Be sure to disconnect the stem connector (key 31) before For key number locations refer to figure 7, and refer removing the stem. to the Top-Loaded Actuator Detail shown in figure 7. 11. Refer to
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators when the diaphragm adaptor (key 245, 11. Tighten the remaining cap screws in a figure 5) is installed. clockwise, crisscross pattern to 68 Nm (50 lbfft). 12. After the last cap screw is tightened to 68 Nm (50 lbfft), all of the cap screws should be tightened CAUTION again to 68 Nm (50 lbfft) in a circular pattern around the bolt circle. If the diaphragm (key 3) is installed so 13. Once completed, no more tightening
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators 18. Insert the cap screws (key 13) into the upper disassembly only as far as necessary to accomplish diaphragm casing (key 1), and finger tighten the the required maintenance; then, begin the assembly screws. at the appropriate step. 19. Tighten the cap screws (key 13) in the following Key number location are shown in figure 8. manner. The first four cap screws tightened should be diametrically opposed and 90 degrees apar
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators worm shaft (key 51). Thread the handwheel cap downward damping action, and the screw on the left (key 127) onto the worm shaft. regulates upward damping action. 6. Pack the two thrust bearings (key 43) with lithium grease lubricant. Install one thrust bearing; then Size 100 Top-Mounted Handwheel install the worm gear (key 44), followed by the second thrust bearing and the bearing and gear (Adjustable Up Travel Stop) retain
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Assembly WARNING 1. The front and back worm retainers (keys 48 and 49) each have a slot in their threads for a set Use only genuine Fisher replacement screw (key 52). Pack the ball bearings (key 50) with parts. Components that are not lithium grease, and insert one ball bearing into the supplied by Emerson Process back worm retainer (key 48). Management should not, under any 2. Thread the back worm retainer and ball bea
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Key Description Part Number Key Description Part Number 8* O-Ring, nitrile (2 required) 90 Cap Screw Size 80 1D542906992 91 Hex Nut Size 100 1H8627X0042 92 Pipe Bushing 9* O-Ring, nitrile 144 Actuator Stem Size 80 1D439206992 235 Bushing Size 100 1R834206992 236 Tag/Wire Assembly 10 Seal Bushing Retainer 237 Lithium Grease, 14 oz. (0.396 kg) can 11 Cap Screw 238 Gasket Sealant (hard set), 11 oz. (0.311 kg) tube 12 Cap Screw
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Instruction Manual Form 1432 December 2007 667 Size 80 and 100 Actuators Key 18 Spring, steel COMPRESSION MAXIMUM RANGE TRAVEL ACTUATOR PART COLOR RATE LOAD SIZE SIZE NUMBER NUMBER CODE CODE bar psi mm Inches N/mm Lb/in N Lb 0.2-1 3-15 76 3 175.1 1000 25,042 5630 1H747727082 Red 0.2-1 3-15 51 2 288.9 288 9 1650 1650 35,139 35 139 7900 7900 1H747527082 1H747527082 Lt Lt. Blue Blue 0.3-1.7 5-25 76 3 0.4-2 6-30 38 1.5 80 80 367 367.7 7 2100 2100 47 47,148 148 10 10,600 600 1H747327082 1H747327082 Y
